Abstract

Online Social Networks play a leading role in news consumption. As a consequence, most newspapers and other media use these platforms to promote their content. However, the geographic bias in the media, in addition to the demographic bias in Online Social Networks can lead to inaccurate and incomplete view of the news in a country. Being aware of these two kinds of bias in news published in Online Social Networks is useful to understand the context in which events develop. We selected Chile as a case study to observe these problems. Chile is a country with a high degree of participation in Online Social Networks and suffers from both issues: media covers mostly news from Santiago, its capital, and most of Online Social Networks users are located in this city. We built a dataset of Chilean news headlines extracted from Twitter. We conducted a characterization of news and messages which comment them …